.presentation > div{ padding:20px 0; border-bottom:1px solid #e5e5e5;}
.presentation > div > div{ position: relative; height:220px}
.presentation > div > div.img a{ float:left; width:160px; height:220px; background:url(../images/bg.jpg) no-repeat;}
.presentation > div > div.img a img{-webkit-box-shadow: 0 5px 7px rgba(0,0,0,0.3);-moz-box-shadow: 0 5px 7px rgba(0,0,0,0.3);box-shadow: -5px 5px 7px rgba(0,0,0,0.2); width:160px; height:220px}
.presentation > div > div.img a .border{position: absolute;top: 0;bottom: 0;left: 10px;width:10px; border-left:1px solid #f5f5f5;border-right:2px solid #e8e8e8;border-right:2px solid rgba(0,0,0,0.1)}
.presentation > div > div.img a .background{position: absolute;top: 0;bottom: 0;left: 10px; width:160px; background:rgba(0,0,0,0.3);-moz-transition: all 350ms ease-in-out;-webkit-transition: all 350ms ease-in-out;-o-transition: all 350ms ease-in-out;transition: all 350ms ease-in-out;filter:alpha(opacity=0); -moz-opacity:0; -khtml-opacity: 0; opacity: 0}
.presentation > div > div.img a .background i{ color:#fff; font-size:20px; position:absolute; bottom:10px; right:10px}
.presentation > div > div.img a:hover .background{filter:alpha(opacity=1); -moz-opacity:1; -khtml-opacity: 1; opacity: 1}
.presentation > div > div.text h3{ font-size:16px; color:#333; margin:0; }
.presentation > div > div.text h3 a:hover{ text-decoration:none; color:#1080f2}
.presentation > div > div.text p{ margin-top:15px;font-size:14px; color:#666}
.presentation > div > div.text .operation{ position:absolute; bottom:0; color:#1080f2; font-size:30px; width:100%; padding-right:30px;}
.presentation > div > div.text .operation span{ margin-right:10%}
.presentation > div > div.text .operation i{ font-size:18px; margin:0 5px; font-style:inherit}
.presentation > div > div.text .operation b{font-size:14px; color:#999; font-weight:normal;white-space: normal;word-break: break-word;}
.presentation > div > div.text .operation b i{ font-size:14px}
@media (max-width:768px){
.presentation > div > div{ margin-top:20px}
.presentation > div > div.img a{ position:absolute; left:50%; margin-left:-80px}
.presentation > div > div.img a .border{ left:0}
.presentation > div > div.text h3{ text-align:center}
.presentation > div > div.text b{ text-align:center;}
.presentation > div > div.text .operation{ position: inherit; padding-right:0}
.presentation > div > div.text .operation span{ margin-right:0}
}